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³í¹®¸í °ÇÃ๰¿¡³ÊÁö ¼Òºñ·® Àý°¨À» À§ÇÑ ´ë¿ÂµµÂ÷ ³Ãµ¿±âÀÇ ³Ã¼ö ¿ÂµµÁ¶°Ç ¼³°è / Design of Chilled Water Temperature Condition of Large Temperature Differential Chiller for Saving Building Energy
ÀúÀÚ¸í ÁøÁ¤Å¹(Jeong Tak Jin)½Äº°ÀúÀÚ ; ¼®À±Áø(Youn Jin Seok)½Äº°ÀúÀÚ ; Á¶È«Àç(Hong Jae Cho) ; ÃÖ½½°Ç(Sul Geon Choi)½Äº°ÀúÀÚ ; Ȳµ¿°ï(Dong Kon Hwang)
¹ßÇà»ç ´ëÇѼ³ºñ°øÇÐȸ
¼ö·Ï»çÇ× ¼³ºñ°øÇÐ³í¹®Áý, Vol.35 No.02 (2023-02)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(90) ÃÑÆäÀÌÁö(9)
ISSN 1229-6422
ÁÖÁ¦ºÐ·ù ȯ°æ¹×¼³ºñ
ÁÖÁ¦¾î °Ç¹° ¿¡³ÊÁö; ³Ã¼ö; ¿¡³ÊÁöÀý°¨; ´ë¿ÂµµÂ÷ ³Ãµ¿±â ; Building energy; Chilled water; Energy saving; Large temperature differential chiller
¿ä¾à1 º» ¿¬±¸¿¡¼­´Â °ÇÃ๰ ¿¡³ÊÁö ¼Òºñ·® Àý°¨À» À§ÇÑ ³Ã¼ö ´ë¿ÂµµÂ÷ ³Ãµ¿±â ½Ã½ºÅÛÀ» ¼Ò°³Çϰí Ç¥ÁØ ¿ÂµµÁ¶°ÇÀÇ ³Ãµ¿±â¿Í ´ë¿ÂµµÂ÷ ³Ãµ¿±âÀÇ ¼º´É°ú °æÁ¦¼ºÀ» ºñ±³, ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú´Â ´ÙÀ½°ú °°´Ù.
(1) ³Ãµ¿±â ¼±Á¤ ½Ã ³Ã¼ö ÀÔ/Ãⱸ ¿ÂµµÁ¶°Ç¿¡ µû¶ó ¼ÒºñÀü·Â ¹× COP°¡ º¯°æµÇ¹Ç·Î À̸¦ °í·ÁÇÏ¿© ³Ãµ¿±â¸¦ ¼±Á¤ÇØ¾ß ÇÑ´Ù. ¶ÇÇÑ ¿­±³È¯±â(Áõ¹ß±â) Pass ¼ö´Â ÀåºñÀÇ ¹èÄ¡, ÀÔ/Ãⱸ ¹æÇâ, ÀåºñÀÇ ¸¶Âû¼Õ½Ç µî¿¡ ¿µÇâÀ» ÁֹǷΠ¹Ýµå½Ã Àåºñ ¼±Á¤ ´Ü°è¿¡ È®ÀÎÇØ¾ß ÇÑ´Ù. ¶ÇÇÑ, ³Ã¹æºÎÇÏ´Â °Ç¹°ÀÇ ¿ëµµ, ±Ô¸ð, ¿î¿µ½Ã°£ µî¿¡ ÀÇÇØ ´Þ¶óÁö¹Ç·Î ¹Ýµå½Ã À̸¦ ¹Ý¿µÇÏ¿© ³Ãµ¿±â ³Ã¼ö¿ÂµµÁ¶°ÇÀ» °áÁ¤ÇÏ¿©¾ß ÇÑ´Ù.
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(3) ³Ã¼ö ÀÔ±¸ ¿Âµµ¸¦ ³ô¿© ´ë¿ÂµµÂ÷¸¦ ±¸¼ºÇÏ´Â °æ¿ì(ALT-2) ³Ãµ¿±â ¹× ³Ã¼öÆßÇÁÀÇ ¼ÒºñÀü·ÂÀº °¨¼ÒÇÏÁö¸¸ °øÁ¶¼³ºñÀÇ ¿­±³È¯ È¿À²ÀÌ °¨¼ÒÇϹǷΠÆÒÄÚÀÏ À¯´ÖÀÇ ¼ö´Â Áõ°¡ÇÑ´Ù. ÇÏÁö¸¸ ¼ÒºñÀü·ÂÀÌ °¡Àå ÀûÀ¸¹Ç·Î ÃʱâÅõÀÚºñ º¸´Ù´Â ÀûÀº ¿î¿µºñ¸¦ ¿ì¼± ½Ã ÇÏ´Â ÇöÀå¿¡ Àû¿ëÇÏ´Â °ÍÀ» ±ÇÀåÇÑ´Ù.
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(7) º» ¿¬±¸¿¡¼­´Â Àü±â¿ä±Ý°ú ¹è°ü°æ °¨¼Ò¿Í °ü·ÃµÈ ºÎºÐ¸¸ °ËÅäÇÏ¿´À¸³ª Pass ¼ö Áõ°¡¿¡ µû¸¥ ³Ãµ¿±â ¿­±³È¯±â Ãß°¡ºñ¿ë, ³Ã¼ö¼øÈ¯ÆßÇÁ À¯·®°¨¼Ò¿¡ µû¸¥ ÆßÇÁ ¹× ¹è°ü°æ ¼³Ä¡ºñ Àý°¨, Àú¿Â ¼ö¼Û¿¡ µû¸¥ ¹è´Ü ´Ü¿­Àç º¯°æ µîÀ» º¹ÇÕÀûÀ¸·Î °í·ÁÇÑ °æÁ¦¼º Æò°¡¿¡ ´ëÇØ¼­´Â ÃßÈÄ ÁøÇàÇÒ ¿¹Á¤ÀÌ´Ù.


¼³°è Ãʱ⠴ܰèºÎÅÍ ´ë¿ÂµµÂ÷ ³Ãµ¿±â ½Ã½ºÅÛ°ú °°Àº Àú¿¡³ÊÁö °íÈ¿À² ½Ã½ºÅÛÀ» Àû¿ëÇÏ¿©¾ß Á¦·Î¿¡³ÊÁö °ÇÃ๰°ú ź¼ÒÁ߸³ 2050°ú °°Àº Á¤ºÎÁ¤Ã¥¿¡ ºÎÀÀÇÒ ¼ö ÀÖÀ¸¸ç, ¿î¿µ´Ü°è¿¡¼­ °ÇÃ๰¿¡³ÊÁö ¼Òºñ·® Àý°¨À» ±¸ÇöÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­ º» ¿¬±¸¸¦ ¹ÙÅÁÀ¸·Î °ÇÃ๰ÀÇ ¿ëµµ, ±Ô¸ð, ¿î¿µ½Ã°£ µî °Ç¹° Ư¼ºÀ» °ËÅäÇÏ¿© ´ë¿ÂµµÂ÷ ³Ãµ¿±âÀÇ ³Ã¼ö¿Âµµ Á¶°ÇÀ» ¼±Á¤ÇÒ ¶§ Âü°íÀÚ·á·Î Ȱ¿ëÇÏ±æ ±â´ëÇÑ´Ù.
¿ä¾à2 The purpose of this study was to determine chilled water temperature. Conventionally, a design of chilled-water temperature differential across cooling coils of 5¡É was used, which resulted in a flow rate of 2.6 L/min per kW. In recent years, due to increasing demand for zero-energy building, carbon neutrality 2050 has led to a reexamination of the design used in selecting chiller system with a goal to reduce energy consumption. Large temperature differential chiller is considered by MEP Engineers. The chiller system is designed by reducing circulation water with a chilled-water temperature differential above 7¡É. Increasing temperature differential can reduce circulation water by the law of conservation of energy. Reducing chilled-water flow rates can save energy, operating cost, and pipe installation cost.
¼ÒÀåó ´ëÇѼ³ºñ°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.6110/KJACR.2023.35.2.090
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